Atrial fibrillation is one of the most common kinds of arrhythmia, causing the heart not to contract properly in order to ...

Subclinical atrial fibrillation is short-lasting and asymptomatic and can usually be detected only by long-term continuous monitoring with pacemakers or defibrillators. Subclinical atrial fibrillation ...

More people have atrial fibrillation (AFib) than any other kind of irregular heartbeat. And the numbers are only expected to go up as people live longer with heart conditions that go along with it.

People using anabolic steroids could be increasing their underlying risk of a heart condition called atrial fibrillation, a new study has found. The new research published in the Journal of Physiology ...